[PATCH 1/2] imx6dl-sielaff: Convert to OF_UPSTREAM

Quentin Schulz quentin.schulz at cherry.de
Mon Jul 21 15:01:34 CEST 2025


Hi Frieder,

On 7/21/25 2:51 PM, Frieder Schrempf wrote:
> [You don't often get email from frieder at fris.de. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
> 
> From: Frieder Schrempf <frieder.schrempf at kontron.de>
> 
> Switch to OF_UPSTREAM to make use of the upstream devicetree.
> 
> Signed-off-by: Frieder Schrempf <frieder.schrempf at kontron.de>
> ---
>   arch/arm/dts/Makefile            |   1 -
>   arch/arm/dts/imx6dl-sielaff.dts  | 533 -------------------------------
>   arch/arm/mach-imx/mx6/Kconfig    |   1 +
>   configs/imx6dl_sielaff_defconfig |   2 +-
>   4 files changed, 2 insertions(+), 535 deletions(-)
>   delete mode 100644 arch/arm/dts/imx6dl-sielaff.dts
> 
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index db83abb5967..d3cb7cf3f43 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -760,7 +760,6 @@ dtb-y += \
>          imx6dl-riotboard.dtb \
>          imx6dl-sabreauto.dtb \
>          imx6dl-sabresd.dtb \
> -       imx6dl-sielaff.dtb \
>          imx6dl-wandboard-revd1.dtb
> 
>   endif
> diff --git a/arch/arm/dts/imx6dl-sielaff.dts b/arch/arm/dts/imx6dl-sielaff.dts
> deleted file mode 100644
> index 7de8d5f2651..00000000000
> --- a/arch/arm/dts/imx6dl-sielaff.dts
> +++ /dev/null
> @@ -1,533 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0+ OR MIT
> -/*
> - * Copyright (C) 2022 Kontron Electronics GmbH
> - */
> -
> -/dts-v1/;
> -
> -#include "imx6dl.dtsi"
> -#include <dt-bindings/clock/imx6qdl-clock.h>
> -#include <dt-bindings/gpio/gpio.h>
> -#include <dt-bindings/input/input.h>
> -
> -/ {
> -       model = "Sielaff i.MX6 Solo";
> -       compatible = "sielaff,imx6dl-board", "fsl,imx6dl";
> -
> -       chosen {
> -               stdout-path = &uart2;
> -       };
> -
> -       backlight: pwm-backlight {
> -               compatible = "pwm-backlight";
> -               pinctrl-names = "default";
> -               pinctrl-0 = <&pinctrl_backlight>;
> -               pwms = <&pwm3 0 50000 0>;
> -               brightness-levels = <0 0 64 88 112 136 184 232 255>;
> -               default-brightness-level = <4>;
> -               enable-gpios = <&gpio6 16 GPIO_ACTIVE_HIGH>;
> -               power-supply = <&reg_backlight>;
> -       };
> -
> -       cec {
> -               compatible = "cec-gpio";
> -               pinctrl-names = "default";
> -               pinctrl-0 = <&pinctrl_hdmi_cec>;
> -               cec-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
> -               hdmi-phandle = <&hdmi>;
> -       };
> -
> -       enet_ref: clock-enet-ref {
> -               compatible = "fixed-clock";
> -               #clock-cells = <0>;
> -               clock-frequency = <50000000>;
> -               clock-output-names = "enet-ref";
> -       };
> -
> -       gpio-keys {
> -               compatible = "gpio-keys";
> -               pinctrl-names = "default";
> -               pinctrl-0 = <&pinctrl_gpio_keys>;
> -
> -               key-0 {
> -                       gpios = <&gpio2 16 0>;
> -                       debounce-interval = <10>;
> -                       linux,code = <1>;
> -               };
> -
> -               key-1 {
> -                       gpios = <&gpio3 27 0>;
> -                       debounce-interval = <10>;
> -                       linux,code = <2>;
> -               };
> -
> -               key-2 {
> -                       gpios = <&gpio5 4 0>;
> -                       debounce-interval = <10>;
> -                       linux,code = <3>;
> -               };
> -       };
> -
> -       leds {
> -               compatible = "gpio-leds";
> -               pinctrl-names = "default";
> -               pinctrl-0 = <&pinctrl_gpio_leds>;
> -
> -               led-debug {
> -                       label = "debug-led";
> -                       gpios = <&gpio5 21 GPIO_ACTIVE_HIGH>;
> -                       default-state = "off";
> -                       linux,default-trigger = "heartbeat";
> -               };
> -       };
> -
> -       memory at 80000000 {
> -               reg = <0x80000000 0x20000000>;
> -               device_type = "memory";
> -       };
> -
> -       osc_eth_phy: clock-osc-eth-phy {
> -               compatible = "fixed-clock";
> -               #clock-cells = <0>;
> -               clock-frequency = <25000000>;
> -               clock-output-names = "osc-eth-phy";
> -       };
> -
> -       panel {
> -               compatible = "lg,lb070wv8";
> -               backlight = <&backlight>;
> -               power-supply = <&reg_3v3>;
> -
> -               port {
> -                       panel_in_lvds: endpoint {
> -                               remote-endpoint = <&lvds_out>;
> -                       };
> -               };
> -       };
> -
> -       reg_3v3: regulator-3v3 {
> -               compatible = "regulator-fixed";
> -               regulator-name = "3v3";
> -               regulator-min-microvolt = <3300000>;
> -               regulator-max-microvolt = <3300000>;
> -       };
> -
> -       reg_backlight: regulator-backlight {
> -               compatible = "regulator-fixed";
> -               pinctrl-names = "default";
> -               pinctrl-0 = <&pinctrl_reg_backlight>;
> -               enable-active-high;
> -               gpio = <&gpio1 23 GPIO_ACTIVE_HIGH>;
> -               regulator-name = "backlight";
> -               regulator-min-microvolt = <12000000>;
> -               regulator-max-microvolt = <12000000>;
> -       };
> -
> -       reg_usb_otg_vbus: regulator-usb-otg-vbus {
> -               compatible = "regulator-fixed";
> -               pinctrl-names = "default";
> -               pinctrl-0 = <&pinctrl_reg_usbotg_vbus>;
> -               enable-active-high;
> -               gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
> -               regulator-name = "usb_otg_vbus";
> -               regulator-min-microvolt = <5000000>;
> -               regulator-max-microvolt = <5000000>;
> -       };
> -};
> -
> -&ecspi2 {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_ecspi2>;
> -       cs-gpios = <&gpio5 29 GPIO_ACTIVE_LOW>;
> -       status = "okay";
> -
> -       flash at 0 {
> -               compatible = "jedec,spi-nor";
> -               reg = <0>;
> -               spi-max-frequency = <20000000>;
> -       };
> -};
> -
> -&fec {
> -       /*
> -        * Set PTP clock to external instead of internal reference, as the
> -        * REF_CLK from the PHY is fed back into the i.MX6 and the GPR
> -        * register needs to be set accordingly (see mach-imx6q.c).
> -        */
> -       clocks = <&clks IMX6QDL_CLK_ENET>,
> -                <&clks IMX6QDL_CLK_ENET>,
> -                <&enet_ref>,
> -                <&clks IMX6QDL_CLK_ENET_REF>;
> -       clock-names = "ipg", "ahb", "ptp", "enet_out";
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_enet>;
> -       phy-connection-type = "rmii";
> -       phy-handle = <&ethphy>;
> -       status = "okay";
> -
> -       mdio {
> -               #address-cells = <1>;
> -               #size-cells = <0>;
> -
> -               ethphy: ethernet-phy at 1 {
> -                       reg = <1>;
> -                       clocks = <&osc_eth_phy>;
> -                       clock-names = "rmii-ref";
> -                       micrel,led-mode = <1>;
> -                       reset-assert-us = <500>;
> -                       reset-deassert-us = <100>;
> -                       reset-gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
> -               };
> -       };
> -};
> -
> -&gpio1 {
> -       gpio-line-names =
> -               "", "", "", "", "", "", "", "",
> -               "", "", "", "", "", "", "key-out", "key-in",
> -               "", "", "", "", "", "", "", "",
> -               "", "", "", "", "", "", "", "";
> -};
> -
> -&gpio2 {
> -       gpio-line-names =
> -               "", "", "", "", "", "", "", "",
> -               "lan9500a-rst", "", "", "", "", "", "", "",
> -               "", "", "", "", "", "", "", "",
> -               "", "", "", "", "", "", "", "";
> -};
> -
> -&gpmi {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_gpmi_nand>;
> -       status = "okay";
> -};
> -
> -&hdmi {
> -       ddc-i2c-bus = <&i2c4>;
> -       status = "okay";
> -};
> -
> -&i2c2 {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_i2c2>;
> -       clock-frequency = <100000>;
> -       status = "okay";
> -
> -       rtc at 51 {
> -               compatible = "nxp,pcf8563";
> -               reg = <0x51>;
> -       };
> -};
> -
> -&i2c3 {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_i2c3>;
> -       clock-frequency = <100000>;
> -       status = "okay";
> -
> -       touchscreen at 55 {
> -               compatible = "sitronix,st1633";
> -               reg = <0x55>;
> -               pinctrl-names = "default";
> -               pinctrl-0 = <&pinctrl_touch>;
> -               interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
> -               interrupt-parent = <&gpio5>;
> -               gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
> -               status = "disabled";
> -       };
> -
> -       touchscreen at 5d {
> -               compatible = "goodix,gt928";
> -               reg = <0x5d>;
> -               pinctrl-names = "default";
> -               pinctrl-0 = <&pinctrl_touch>;
> -               interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
> -               interrupt-parent = <&gpio5>;
> -               irq-gpios = <&gpio5 18 GPIO_ACTIVE_HIGH>;
> -               reset-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
> -               status = "disabled";
> -       };
> -};
> -
> -&i2c4 {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_i2c4>;
> -       clock-frequency = <100000>;
> -       status = "okay";
> -};
> -
> -&ldb {
> -       status = "okay";
> -
> -       lvds: lvds-channel at 0 {
> -               fsl,data-mapping = "spwg";
> -               fsl,data-width = <24>;
> -               status = "okay";
> -
> -               port at 4 {
> -                       reg = <4>;
> -
> -                       lvds_out: endpoint {
> -                               remote-endpoint = <&panel_in_lvds>;
> -                       };
> -               };
> -       };
> -};
> -
> -&pwm3 {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_pwm3>;
> -       status = "okay";
> -};
> -
> -&uart1 {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_uart1>;
> -       status = "okay";
> -};
> -
> -&uart2 {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_uart2>;
> -       status = "okay";
> -};
> -
> -&uart3 {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_uart3>;
> -       status = "okay";
> -};
> -
> -&usbh1 {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_usbh1>;
> -       disable-over-current;
> -       status = "okay";
> -
> -       #address-cells = <1>;
> -       #size-cells = <0>;
> -
> -       usb1 at 1 {
> -               compatible = "usb4b4,6570";
> -               reg = <1>;
> -               clocks = <&clks IMX6QDL_CLK_CKO>;
> -
> -               assigned-clocks = <&clks IMX6QDL_CLK_CKO>,
> -                                 <&clks IMX6QDL_CLK_CKO2_SEL>;
> -               assigned-clock-parents = <&clks IMX6QDL_CLK_CKO2>,
> -                                        <&clks IMX6QDL_CLK_OSC>;
> -               assigned-clock-rates = <12000000 0>;
> -       };
> -};
> -
> -&usbotg {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_usbotg>;
> -       dr_mode = "host";
> -       over-current-active-low;
> -       vbus-supply = <&reg_usb_otg_vbus>;
> -       status = "okay";
> -};
> -
> -&usdhc3 {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_usdhc3>;
> -       cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
> -       vmmc-supply = <&reg_3v3>;
> -       voltage-ranges = <3300 3300>;
> -       no-1-8-v;
> -       status = "okay";
> -};
> -
> -&wdog1 {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_wdog>;
> -       fsl,ext-reset-output;
> -       status = "okay";
> -};
> -
> -&iomuxc {
> -       pinctrl-names = "default";
> -       pinctrl-0 = <&pinctrl_hog>;
> -
> -       pinctrl_hog: hoggrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_RGMII_RD0__GPIO6_IO25        0x1b0b0 /* PMIC_IRQ */
> -                       MX6QDL_PAD_SD2_DAT3__GPIO1_IO12         0x1b0b0
> -                       MX6QDL_PAD_SD2_DAT1__GPIO1_IO14         0x1b0b0
> -                       MX6QDL_PAD_SD2_DAT0__GPIO1_IO15         0x1b0b0
> -                       MX6QDL_PAD_SD4_DAT0__GPIO2_IO08         0x1b0b0
> -                       MX6QDL_PAD_EIM_D29__GPIO3_IO29          0x1b0b0
> -               >;
> -       };
> -
> -       pinctrl_backlight: backlightgrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_NANDF_CS3__GPIO6_IO16        0x100b1
> -               >;
> -       };
> -
> -       pinctrl_ecspi2: ecspi2grp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_CSI0_DAT10__ECSPI2_MISO      0x100b1
> -                       MX6QDL_PAD_CSI0_DAT9__ECSPI2_MOSI       0x100b1
> -                       MX6QDL_PAD_CSI0_DAT8__ECSPI2_SCLK       0x100b1
> -                       MX6QDL_PAD_CSI0_DAT11__GPIO5_IO29       0x100b1
> -               >;
> -       };
> -
> -       pinctrl_enet: enetgrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_ENET_MDIO__ENET_MDIO         0x1b0b0
> -                       MX6QDL_PAD_ENET_MDC__ENET_MDC           0x1b0b0
> -                       MX6QDL_PAD_ENET_RXD0__ENET_RX_DATA0     0x1b0b0
> -                       MX6QDL_PAD_ENET_RXD1__ENET_RX_DATA1     0x1b0b0
> -                       MX6QDL_PAD_ENET_CRS_DV__ENET_RX_EN      0x1b0b0
> -                       MX6QDL_PAD_ENET_RX_ER__ENET_RX_ER       0x1b0b0
> -                       MX6QDL_PAD_ENET_TXD0__ENET_TX_DATA0     0x1b0b0
> -                       MX6QDL_PAD_ENET_TXD1__ENET_TX_DATA1     0x1b0b0
> -                       MX6QDL_PAD_ENET_TX_EN__ENET_TX_EN       0x1b0b0
> -                       MX6QDL_PAD_GPIO_16__ENET_REF_CLK        0x4001b0a8
> -                       MX6QDL_PAD_EIM_A25__GPIO5_IO02          0x100b1
> -               >;
> -       };
> -
> -       pinctrl_gpio_keys: gpiokeysgrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_EIM_A22__GPIO2_IO16          0x1b080
> -                       MX6QDL_PAD_EIM_D27__GPIO3_IO27          0x1b080
> -                       MX6QDL_PAD_EIM_A24__GPIO5_IO04          0x1b080
> -               >;
> -       };
> -
> -       pinctrl_gpio_leds: gpioledsgrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_CSI0_VSYNC__GPIO5_IO21       0x1b0b0
> -               >;
> -       };
> -
> -       pinctrl_gpmi_nand: gpminandgrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_NANDF_CLE__NAND_CLE          0xb0b1
> -                       MX6QDL_PAD_NANDF_ALE__NAND_ALE          0xb0b1
> -                       MX6QDL_PAD_NANDF_WP_B__NAND_WP_B        0xb0b1
> -                       MX6QDL_PAD_NANDF_RB0__NAND_READY_B      0xb000
> -                       MX6QDL_PAD_NANDF_CS0__NAND_CE0_B        0xb0b1
> -                       MX6QDL_PAD_SD4_CMD__NAND_RE_B           0xb0b1
> -                       MX6QDL_PAD_SD4_CLK__NAND_WE_B           0xb0b1
> -                       MX6QDL_PAD_NANDF_D0__NAND_DATA00        0xb0b1
> -                       MX6QDL_PAD_NANDF_D1__NAND_DATA01        0xb0b1
> -                       MX6QDL_PAD_NANDF_D2__NAND_DATA02        0xb0b1
> -                       MX6QDL_PAD_NANDF_D3__NAND_DATA03        0xb0b1
> -                       MX6QDL_PAD_NANDF_D4__NAND_DATA04        0xb0b1
> -                       MX6QDL_PAD_NANDF_D5__NAND_DATA05        0xb0b1
> -                       MX6QDL_PAD_NANDF_D6__NAND_DATA06        0xb0b1
> -                       MX6QDL_PAD_NANDF_D7__NAND_DATA07        0xb0b1
> -               >;
> -       };
> -
> -       pinctrl_hdmi_cec: hdmicecgrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_EIM_A21__GPIO2_IO17          0x1b8b1
> -               >;
> -       };
> -
> -       pinctrl_i2c2: i2c2grp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_KEY_COL3__I2C2_SCL           0x4001b8b1
> -                       MX6QDL_PAD_KEY_ROW3__I2C2_SDA           0x4001b8b1
> -               >;
> -       };
> -
> -       pinctrl_i2c3: i2c3grp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_GPIO_5__I2C3_SCL             0x4001f8b1
> -                       MX6QDL_PAD_GPIO_6__I2C3_SDA             0x4001f8b1
> -               >;
> -       };
> -
> -       pinctrl_i2c4: i2c4grp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_GPIO_7__I2C4_SCL             0x4001b8b1
> -                       MX6QDL_PAD_GPIO_8__I2C4_SDA             0x4001b8b1
> -               >;
> -       };
> -
> -       pinctrl_pwm3: pwm3grp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_SD4_DAT1__PWM3_OUT           0x1b0b1
> -               >;
> -       };
> -
> -       pinctrl_reg_backlight: regbacklightgrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_ENET_REF_CLK__GPIO1_IO23     0x1b0b1
> -               >;
> -       };
> -
> -       pinctrl_reg_usbotg_vbus: regusbotgvbusgrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_KEY_ROW4__GPIO4_IO15         0x1b0b1
> -               >;
> -       };
> -
> -       pinctrl_touch: touchgrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_GPIO_2__GPIO1_IO02           0x1b0b0
> -                       MX6QDL_PAD_CSI0_PIXCLK__GPIO5_IO18      0x1b0b0
> -               >;
> -       };
> -
> -       pinctrl_uart1: uart1grp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA      0x1b0b1
> -                       MX6QDL_PAD_SD3_DAT6__UART1_RX_DATA      0x1b0b1
> -               >;
> -       };
> -
> -       pinctrl_uart2: uart2grp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_SD4_DAT7__UART2_TX_DATA      0x1b0b1
> -                       MX6QDL_PAD_SD4_DAT4__UART2_RX_DATA      0x1b0b1
> -               >;
> -       };
> -
> -       pinctrl_uart3: uart3grp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_EIM_D24__UART3_TX_DATA       0x1b0b0
> -                       MX6QDL_PAD_EIM_D25__UART3_RX_DATA       0x1b0b0
> -               >;
> -       };
> -
> -       pinctrl_usbh1: usbh1grp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_GPIO_3__USB_H1_OC            0x1b0b1
> -                       MX6QDL_PAD_CSI0_MCLK__CCM_CLKO1         0x1b0b0
> -               >;
> -       };
> -
> -       pinctrl_usbotg: usbotggrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_KEY_COL4__USB_OTG_OC         0x1b0b1
> -               >;
> -       };
> -
> -       pinctrl_usdhc3: usdhc3grp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_SD3_CMD__SD3_CMD             0x17059
> -                       MX6QDL_PAD_SD3_CLK__SD3_CLK             0x10059
> -                       MX6QDL_PAD_SD3_DAT0__SD3_DATA0          0x17059
> -                       MX6QDL_PAD_SD3_DAT1__SD3_DATA1          0x17059
> -                       MX6QDL_PAD_SD3_DAT2__SD3_DATA2          0x17059
> -                       MX6QDL_PAD_SD3_DAT3__SD3_DATA3          0x17059
> -                       MX6QDL_PAD_GPIO_4__GPIO1_IO04           0x100b1
> -               >;
> -       };
> -
> -       pinctrl_wdog: wdoggrp {
> -               fsl,pins = <
> -                       MX6QDL_PAD_GPIO_9__WDOG1_B              0x1b0b0
> -               >;
> -       };
> -};
> diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig
> index 465e258f8e4..0798eac68f5 100644
> --- a/arch/arm/mach-imx/mx6/Kconfig
> +++ b/arch/arm/mach-imx/mx6/Kconfig
> @@ -366,6 +366,7 @@ config TARGET_MX6S_SIELAFF
>          select DM_THERMAL
>          select SUPPORT_SPL
>          imply CMD_DM
> +       imply OF_UPSTREAM

Why "imply" only here? It won't build without OF_UPSTREAM anymore no? 
Shouldn't it be "select" instead?

Looks good to me otherwise!

Cheers,
Quentin


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